Bestselling adult coloring books in the U.S. 2015
coloring books were sold on the U.S. market.
The graph shows data on the unit sales of selected adult coloring books in the United States from January to November 2015 (as of November 13, 2015). The book "Secret Garden" by Johanna Basford sold 452.86 thousand copies in the presented period. In 2015, a total of 12 million